Brain Grain
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⚛️ Electrons do NOT fill orbitals randomly. The 3 rules, in order 👇
1. 1️⃣ Aufbau Principle · 2. 2️⃣ Pauli Exclusion · 3. 3️⃣ Hund's Rule
Which rule stops a 3rd electron entering an orbital?
NEET Question — Answer 🎬
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